August weather forecast
Whittier, IA

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Weather in August

August, the last month of the summer in Whittier, is another warm month, with temperature in the range of an average low of 61.5°F (16.4°C) and an average high of 79.3°F (26.3°C).

Temperature

August's arrival registers an average high-temperature of a still moderately hot 79.3°F (26.3°C), closely aligning with the temperature of the previous month. Whittier, in the month of August, anticipates a consistent average low-temperature of 61.5°F (16.4°C).

Humidity

In August, the average relative humidity is 81%.

Rainfall

In Whittier, during August, the rain falls for 12.6 days and regularly aggregates up to 1.81" (46mm) of precipitation. In Whittier, during the entire year, the rain falls for 137.5 days and collects up to 27.68" (703mm) of precipitation.

Snowfall

May through September are months without snowfall in Whittier.

Daylight

In August, the average length of the day is 13h and 50min.
On the first day of the month, sunrise is at 5:59 am and sunset at 8:24 pm. On the last day of August, sunrise is at 6:31 am and sunset at 7:40 pm CDT.

Sunshine

July and August, with an average of 9.8h of sunshine, are months with the most sunshine.

UV index

In Whittier, the average daily maximum UV index in August is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for average individuals.
Note: An average UV index of 5 in August transforms into this advice:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. To guard against the harmful effects of the Sun, minimize exposure during midday. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Updated: Jun 26, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average August temperature in Whittier?

In August, the average high-temperature and low-temperature are 79.3°F (26.3°C) and 61.5°F (16.4°C) respectively.

What is the average humidity in August?

The average relative humidity in August is 81%.

How much does it rain in August?

In Whittier, in August, during 12.6 rainfall days, 1.81" (46mm) of precipitation is typically accumulated.

When it does not snow?

May through September are months without snowfall.

What is the average length of the day in August?

The average day length in August is 13h and 50min.

What time are sunrise and sunset in August?

In August, on the first day of the month, sunrise is at 5:59 am and sunset at 8:24 pm. On the last day of the month, sunrise is at 6:31 am and sunset at 7:40 pm CDT.

What is the month with the most sunshine?

July and August, with an average of 9.8h of sunshine, are months with the most sunshine.

How long on average sun shines in August?

In Whittier, the average sunshine duration in August is 9.8h.

What is the UV index reading in August?

In August, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate vulnerability from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Whittier, IA

Average temperature in August - Whittier, IA
  • Average high temperature in August: 79.3°F

The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is January (25.5°F).

  • Average low temperature in August: 61.5°F

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (13.5°F).

Average pressure in August
Whittier, IA

Average pressure in August - Whittier, IA
  • Average pressure in August: 29.97"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

Average wind speed in August
Whittier, IA

Average wind speed in August - Whittier, IA
  • Average wind speed in August: 7mph

The windiest month (with the highest average wind speed) is April (10.8mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).

Average humidity in August
Whittier, IA

Average humidity in August - Whittier, IA
  • Average humidity in August: 81%

The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is October (74%).

Average rainfall in August
Whittier, IA

Average rainfall in August - Whittier, IA
  • Average rainfall in August: 1.81"

The wettest month (with the highest rainfall) is May (4.45").
The driest month (with the least rainfall) is February (1.02").

Average rainfall days in August
Whittier, IA

Average rainfall days in August - Whittier, IA
  • Average rainfall days in August: 12.6 days

The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is January (4.1 days).

Average snowfall in August
Whittier, IA

Average snowfall in August - Whittier, IA
  • Average snowfall in August: 0"

The month with the highest snowfall is January (5.16").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in August
Whittier, IA

Average snowfall days in August - Whittier, IA
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (11.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in August /
Average sunshine in August
Whittier, IA

Average daylight in August / Average sunshine in August - Whittier, IA
  • Average daylight in August: 13h and 5min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in August: 9h and 5min

The months with the most sunshine are July and August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).

Average sunshine days in August
Whittier, IA

Average sunshine days in August - Whittier, IA
  • Average sunshine days in August: 16.3 days

The month with the most sunshine days is December (18.2 days).
The month with the least sunshine days is May (10.9 days).

Average UV index in August
Whittier, IA

Average UV index in August - Whittier, IA
  • Average UV index in August: 5

The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in August
Whittier, IA

Average cloud cover in August - Whittier, IA
  • Average cloud cover in August: 30

The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 30).

Average visibility in August
Whittier, IA

Average visibility in August - Whittier, IA
  • Average visibility in August: 6mi

The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).

Whittier, Iowa, USA

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